Get the GainTools OST to PST Converter Software is an independent tool to migrate Outlook OST files into PST format without data loss. It safely exports emails, attachments, contacts, calendars, and other mailbox items while maintaining the original structure. You can easily convert multiple OST files to PST format without any hassle. The software works with both accessible and orphaned OST files, so you can easily restore and access your data even without Exchange. With its simple interface, the tool is easy to use for all users and supports every version of MS Outlook and Windows OS. This application provides a free demo version for all users so users can try it. It’s a secure solution for personal as well as business needs.